Home / 4,060.42-6,090.68-1,287.11

Finding the Fourth Proportional to 4,060.42, 6,090.68 and 1,287.11

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Solution

The fourth proportional to 4,060.42, 6,090.68 and 1,287.11 is: 1,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.42 : 6,090.68 = 1,287.11 : x
  2. Step 2: Convert to fraction form
    4,060.42/6,090.68 = 1,287.11/x
  3. Step 3: Cross multiply
    4,060.42x = 6,090.68 × 1,287.11
  4. Step 4: Simplify right side
    4,060.42x = 7,839,393.58
  5. Step 5: Solve for x
    x = 7,839,393.58/4,060.42
  6. Step 6: Final answer
    x = 1,930.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.